9
Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; apparatus for recording, transmission or reproduction of sound or images; magnetic data carriers, recording discs; automatic vending machines and mechanisms for coin-operated apparatus; cash registers, calculating machines, data processing equipment and computers; fire-extinguishing apparatus.
electromechanical controllers for use in switching water supply apparatus and installations, the foregoing for use with changing drinking water supply systems for avoiding stagnation and the resultant adverse impact on drinking water quality
11
Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes.
apparatus for regulating and controlling water supply apparatus and installations, in particular faucets, valves, pipes, being parts of sanitary facilities; apparatus for heating and steam generating, namely, heating boiler, water heater, plate heat exchanger for use in drinking water supply systems; plumbing fittings for drinking water supply and sanitary purposes, in particular bibbs, cocks, traps, valves, water filters, and pressure sensors, temperature sensors and flow rate sensors sold as integral components of water purification units; all of the foregoing for use in avoiding stagnation and the resultant adverse impact on drinking water quality
37
Building construction; repair; installation services
installation and repair of water supply apparatus and installations, for the purpose of avoiding stagnation and the resultant adverse impact on drinking water quality
42
Scientific and technological services and research and design relating thereto; industrial analysis and research services; design and development of computer hardware and software
technical consultancy services relating to the design of heating, steam generating and water supply apparatus and installations, all relating to drinking water supply systems for use in avoiding stagnation and the resultant adverse impact on drinking water quality